As a sample's temperature increases, which two factors also increase? A. Particle speed B. Particle kinetic energy C. Particle b
2 answers:
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Answer:
Mechanical energy
Explanation:
Given that,
Potential energy of an object is given by :
P = mgh
The kinetic energy of an object is given by :
Where
m is mass
h is height
v is velocity of the object
The sum of potential and kinetic energy is equal to total energy or the mechanical energy.
Hence, if air resistance is negligible, the sum total of potential and kinetic energies of a freely falling body is equal to mechanical energy.